Lifting link mechanism



FIG. 1 is a perspective view of a lifting link mechanism showing our new design;

FIG. 2 is a front view of the lifting link mechanism;

FIG. 3 is a rear view of the lifting link mechanism;

FIG. 4 is a top plan view of the lifting link mechanism;

FIG. 5 is a bottom view of the lifting link mechanism;

FIG. 6 is a right side view of the lifting link mechanism;

FIG. 7 is a left side view of the lifting link mechanism; and,

FIG. 8 is a perspective view of the lifting link mechanism which is driven for lifting.

The broken lines in FIGS. 1 through 8 showing the portions of the article transferring robot other than the lifting mechanism represented in solid lines are for illustrative purposes only and form no part of the claimed link mechanism. 

The ornamental design for a lifting link mechanism, as shown and described. 